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(11) | EP 1 256 303 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Bath tub with built-in illumination device |
| (57) An illumination device is provided on the back surface side of the bath tub vessel
for receiving water formed of a transparent material or a translucent material. Furthermore,
in a bath tub unit having a double-hulled structure consisting of an inner vessel
and an outer vessel, the inner vessel is formed of a transparent material or a translucent
material, and an illumination device is provided in a space between the inner vessel
and the outer vessel. |